Holley 558-403 J3 Auxiliary Input Output Connector and Wiring Harness for Dominator EFI Systems

The Holley 558-403 J3 connector and wiring harness are designed specifically for use with Holley's Dominator EFI systems, providing reliable auxiliary input and output connections. Crafted with high-quality materials, this harness ensures a secure and durable connection to support your vehicle’s electronic fuel injection setup. The harness features an easy-to-install design, making it suitable for custom tuning and performance applications. Its compatibility with the Dominator EFI series enhances the system’s versatility, allowing seamless integration of additional sensors or control modules. This harness is essential for enthusiasts looking to optimize their vehicle's electronic management with a professional-grade component. Whether upgrading or repairing your EFI system, the Holley 558-403 harness offers a dependable solution to maintain system integrity and performance.

Features:

• Designed for Holley Dominator EFI systems

• Provides auxiliary input and output connections

• High-quality wiring harness for durability and reliability

• Easy to install with secure connection points

• Supports custom tuning and performance enhancements